Frigid Sea

Walkthrough
As you complete The Terrible Titans... Lurking Locked Away Adventure, you will have to go through a number of various areas across the Crown Tundra in search of the Regi Legendary Pokemon Group. One of these areas is the Frigid Sea, which is on the other side of Roaring-Sea Cave. Like all areas of the Crown Tundra, plenty of Pokemon can be found throughout the Frigid Sea.

Wild Pokemon
Fishing - All Weather
Magikarp (30%): Levels 60-65
Basculin (30%): Levels 60-65
Wailmer (20%): Levels 60-65
Gyarados (15%): Levels 60-65

Overworld - Normal Weather
Spheal [Sword(45%)/Shield(37%)]: Levels 60-65
Avalugg [Sword(44%)/Shield(37%)]: Levels 60-65
Eiscue(Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65
Audino (1%): Levels 60-65

Grasses - Normal Weather
Bergmite (34%): Levels 60-65
Mime Jr. (33%): Levels 60-65
Spheal (33%): Levels 60-65

Special Overworld - Normal Weather
Tirtouga: Level 63
Spheal: Level 63
Sealeo: Level 65
Walrein: Level 68
Avalugg: Level 65
Carracosta: Level 67

Waters - Normal Weather
Avalugg [Sword(45%)/Shield(38%)]: Levels 60-65
Wailmer [Sword(45%)/Shield(37%)]: Levels 60-65
Eiscue (Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65

Special Water Encounters - Normal Weather
Avalugg(Sword)/Eiscue(Shield): Level 65

Overworld - Overcast
Spheal [Sword(30%)/Shield(22%)]: Levels 60-65
Avalugg [Sword(29%)/Shield(22%)]: Levels 60-65
Swablu (15%): Levels 60-65
Sneasel (15%): Levels 60-65
Eiscue(Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65
Audino (1%): Levels 60-65

Grasses - Overcast
Bergmite (34%): Levels 60-65
Mime Jr. (33%): Levels 60-65
Spheal (33%): Levels 60-65

Special Overworld - Overcast
Tirtouga: Level 63
Spheal: Level 63
Sealeo: Level 65
Walrein: Level 68
Altaria: Level 65

Waters - Overcast
Avalugg [Sword(45%)/Shield(38%)]: Levels 60-65
Wailmer [Sword(45%)/Shield(37%)]: Levels 60-65
Eiscue (Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65

Special Water Encounters - Overcast
Avalugg(Sword)/Eiscue(Shield): Level 65

Overworld - Raining
Spheal [Sword(30%)/Shield(22%)]: Levels 60-65
Araquanid (30%): Levels 60-65
Avalugg [Sword(29%)/Shield(22%)]: Levels 60-65
Eiscue(Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65
Audino (1%): Levels 60-65

Grasses - Raining
Bergmite (25%): Levels 60-65
Mime Jr. (25%): Levels 60-65
Spheal (25%): Levels 60-65
Dewpider (25%): Level 60-65

Special Overworld - Raining
Tirtouga: Level 63
Spheal: Level 63
Sealeo: Level 65
Avalugg: Level 65
Carracosta: Level 67

Waters - Raining
Avalugg [Sword(45%)/Shield(38%)]: Levels 60-65
Wailmer [Sword(45%)/Shield(37%)]: Levels 60-65
Eiscue (Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65

Special Water Encounters - Raining
Avalugg(Sword)/Eiscue(Shield): Level 65

Overworld - Thunderstorm
Spheal [Sword(25%)/Shield(17%)]: Levels 60-65
Avalugg [Sword(24%)/Shield(17%)]: Levels 60-65
Araquanid (20%): Levels 60-65
Eiscue(Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65
Electabuzz (10%): Levels 60-65
Pincurchin (10%): Levels 60-65
Audino (1%): Levels 60-65

Grasses - Thunderstorm
Bergmite (20%): Levels 60-65
Mime Jr. (20%): Levels 60-65
Spheal (20%): Levels 60-65
Dewpider (20%): Levels 60-65
Elekid (20%): Level 60-65

Special Overworld - Thunderstorm
Tirtouga: Level 63
Spheal: Level 63
Sealeo: Level 65
Electivire: Level 68
Pincurchin: Level 65
Carracosta: Level 67

Waters - Thunderstorm
Avalugg [Sword(35%)/Shield(28%)]: Levels 60-65
Wailmer [Sword(35%)/Shield(27%)]: Levels 60-65
Pincurchin (20%): Levels 60-65
Eiscue (Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65

Special Water Encounters - Thunderstorm
Avalugg(Sword)/Eiscue(Shield): Level 65

Overworld - Snowing
Spheal [Sword(30%)/Shield(22%)]: Levels 60-65
Avalugg [Sword(29%)/Shield(22%)]: Levels 60-65
Vanillish (15%): Levels 60-65
Beartic (15%): Levels 60-65
Eiscue(Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65
Audino (1%): Levels 60-65

Grasses - Snowing
Bergmite (25%): Levels 60-65
Mime Jr. (25%): Levels 60-65
Spheal (25%): Levels 60-65
Vanillite (25%): Levels 60-65

Special Overworld - Snowing
Spheal: Level 63
Sealeo: Level 65
Walrein: Level 68
Beartic: Level 67

Waters - Snowing
Avalugg [Sword(30%)/Shield(22%)]: Levels 60-65
Wailmer [Sword(29%)/Shield(22%)]: Levels 60-65
Cryogonal (15%): Levels 60-65
Vanillish (15%): Levels 60-65
Eiscue (Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65
Lapras (1%): Levels 60-65

Special Water Encounters - Snowing
Avalugg(Sword)/Eiscue(Shield): Level 65

Overworld - Snowstorm
Spheal [Sword(27%)/Shield(20%)]: Levels 60-65
Avalugg [Sword(27%)/Shield(19%)]: Levels 60-65
Vanillish (15%): Levels 60-65
Beartic (15%): Levels 60-65
Eiscue(Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65
Absol (5%): Levels 60-65
Audino (1%): Levels 60-65

Grasses - Snowstorm
Bergmite (25%): Levels 60-65
Mime Jr. (25%): Levels 60-65
Spheal (25%): Levels 60-65
Vanillite (25%): Levels 60-65

Special Overworld - Snowstorm
Spheal: Level 63
Sealeo: Level 65
Walrein: Level 68
Avalugg: Level 65
Beartic: Level 67

Waters - Snowstorm
Avalugg [Sword(30%)/Shield(22%)]: Levels 60-65
Wailmer [Sword(29%)/Shield(22%)]: Levels 60-65
Cryogonal (15%): Levels 60-65
Vanillish (15%): Levels 60-65
Eiscue (Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65
Lapras (1%): Levels 60-65

Special Water Encounters - Snowstorm
Avalugg(Sword)/Eiscue(Shield): Level 65

Overworld - Intense Sun
Spheal (100%): Levels 60-65

Grasses - Intense Sun
Mime Jr. (100%): Levels 60-65

Special Overworld - Intense Sun
Tirtouga: Level 63
Spheal: Level 63
Sealeo: Level 65
Magmortar: Level 68
Carracosta: Level 67

Waters - Intense Sun
Avalugg (100%): Levels 60-65

Special Water Encounters - Intense Sun
Avalugg(Sword)/Eiscue(Shield): Level 65

Overworld - Fog
Spheal [Sword(32%)/Shield(25%)]: Levels 60-65
Avalugg [Sword(32%)/Shield(24%)]: Levels 60-65
Hattrem (20%): Levels 60-65
Eiscue(Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65
Mimikyu (5%): Level 60-65
Audino (1%): Levels 60-65

Grasses - Fog
Bergmite (25%): Levels 60-65
Mime Jr. (25%): Levels 60-65
Spheal (25%): Levels 60-65
Hatenne (25%): Levels 60-65

Special Overworld - Fog
Tirtouga: Level 63
Spheal: Level 63
Sealeo: Level 65
Walrein: Level 68
Hatterene: Level 67

Waters - Fog
Avalugg [Sword(45%)/Shield(38%)]: Levels 60-65
Wailmer [Sword(45%)/Shield(37%)]: Levels 60-65
Eiscue (Shield) (15%): Levels 60-65
Tirtouga (10%): Levels 60-65

Special Water Encounters - Fog
Avalugg(Sword)/Eiscue(Shield): Level 65

Interactable Pokemon
Cobalion: Level 70

Items
Energy Root: Hidden Under Tree
Big Pearl: Hidden On Beach
Pearl String: Hidden On Beach
Shell Bell: By Tree Near Three-Point Pass
Health Feather: Hidden In Water
Swift Feather: Hidden In Water
Muscle Feather: Hidden In Water
Resist Feather: Hidden In Water
Clever Feather: Hidden In Water
Pretty Feather: Hidden In Water
Never-Melt Ice: Hidden In Water
Pearl: Hidden On Beach
Star Piece: Hidden On Beach
Dive Ball: Small Island
Great Ball: Hidden On Beach
TR03: Small Island